fix: process_kern_request needs guard to avoid looping

Author: akiradeveloper

sorock/src/process/raft_process/responder.rs

@@ -46,6 +46,8 @@ impl RaftProcess {
 
             rx.await?;
         } else {
+            // Avoid looping.
+            ensure!(self.driver.self_node_id() != leader_id);
             let conn = self.driver.connect(leader_id);
             conn.process_kern_request(req).await?;
         }
@@ -80,7 +82,7 @@ impl RaftProcess {
 
             rx.await?
         } else {
-            // This check is to avoid looping.
+            // Avoid looping.
             ensure!(self.driver.self_node_id() != leader_id);
             let conn = self.driver.connect(leader_id);
             conn.process_user_read_request(req).await?
@@ -116,9 +118,8 @@ impl RaftProcess {
 
             rx.await?
         } else {
-            // This check is to avoid looping.
+            // Avoid looping.
             ensure!(self.driver.self_node_id() != leader_id);
-
             let conn = self.driver.connect(leader_id);
             conn.process_user_write_request(req).await?
         };